Home / 30,624.37-45,931.66-11,912.96

Finding the Fourth Proportional to 30,624.37, 45,931.66 and 11,912.96

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Solution

The fourth proportional to 30,624.37, 45,931.66 and 11,912.96 is: 17,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.37 : 45,931.66 = 11,912.96 : x
  2. Step 2: Convert to fraction form
    30,624.37/45,931.66 = 11,912.96/x
  3. Step 3: Cross multiply
    30,624.37x = 45,931.66 × 11,912.96
  4. Step 4: Simplify right side
    30,624.37x = 547,182,113.36
  5. Step 5: Solve for x
    x = 547,182,113.36/30,624.37
  6. Step 6: Final answer
    x = 17,867.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.